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Beverage dispensing apparatus and method

A technology for dispensing devices, beverages, applied in dispensing devices, special dispensing devices, liquid dispensing, conveying or transferring devices, etc., to achieve substantially constant fluid flow and reduced noise levels

Inactive Publication Date: 2009-10-14
NESTEC SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it has the disadvantage that an additional inductor is required in the control circuit to recirculate the current used to place the piston in the spring-loaded position

Method used

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  • Beverage dispensing apparatus and method
  • Beverage dispensing apparatus and method
  • Beverage dispensing apparatus and method

Examples

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Embodiment Construction

[0026] It should be understood that the drawings are merely schematic and not drawn to scale. It should also be understood that the same reference numbers are used throughout the drawings to indicate the same or similar parts.

[0027] figure 1 is a schematic illustration of a beverage dispensing device 100 according to one embodiment of the invention. The beverage dispensing device 100 includes a fluid inlet 102 , for example for receiving a liquid such as water or a soft drink, and a fluid outlet 104 for dispensing a beverage to a user of the beverage dispensing device 100 . An electromagnetic pump 106 is disposed between the fluid inlet 102 and the fluid outlet 104 for pumping fluid from the inlet to the outlet. Solenoid pump 106 is controlled by controller 108, which will be described in detail below.

[0028] Furthermore, the beverage dispensing device 100 may have any suitable configuration, as the manner in which the beverage dispensing device 100 is implemented is n...

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PUM

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Abstract

A beverage dispensing apparatus (100) is disclosed, comprising a solenoid pump (106) coupled between a fluid inlet (102) and a fluid outlet (104) for pumping the fluid from said inlet to said outlet, said pump comprising a spring-loaded linear pumping member (206) axially displaceable between a spring-loaded position (240) and a spring-released end position (230) and a controller (108) for the solenoid pump (106), said controller being arranged to energize the pumping member (206) into an intermediate position (235) between the spring-released end position (230) and the spring-loaded position(240). Consequently, the solenoid pump (106) has improved noise characteristics and can be used to control the flow rate of the fluid whilst still being energized in substantially every cycle of an alternating current.

Description

technical field [0001] The present invention relates to a beverage dispensing device comprising an electromagnetic pump (solenoid pump) coupled between a fluid inlet and a fluid outlet for pumping fluid from said inlet to said outlet and for the electromagnetic pump The pump includes a spring-loaded linear pumping member axially movable between a spring-loaded rest position and a spring-release position. [0002] The invention also relates to a method of controlling an electromagnetic pump in such a device. Background technique [0003] Beverage dispensing devices are common in both domestic and commercial environments. Such devices are very popular because they dispense beverages on demand, either hot beverages such as coffee or tea if the device includes a heating stage, or cold beverages such as soft drinks or water if the device includes a cooling stage. Such devices are well known in the art. An example of such a device can be found, for example, in US Patent Applica...

Claims

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Application Information

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IPC IPC(8): B67D1/00B67D1/10B67D1/12F04B49/06F04B35/04B67D7/82
CPCF04B49/065F04B17/04F04B17/044F04B39/0027
Inventor T·帕尔默
Owner NESTEC SA
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